Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
  • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
  • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
  • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
  • D06F37/26—Casings; Tubs
  • D06F37/265—Counterweights mounted to the tub; Mountings therefor
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
  • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
  • D06F39/20—Arrangements for water recovery

Definitions

• the present invention relates to a washing machine, a pump, a solenoid valve, a programmer.
• a washing machine comprises a frame inside which is mounted a tank containing the rotating drum.
• the tank is suspended from the upper part of the chassis by means of helical springs, aimed at absorbing the imbalance occurring during the rotation of the drum and the movement of the linen inside it. Nevertheless, it is essential in particular during the spinning period when the imbalance due to an irregular distribution of the linen is most important, to improve the damping by friction of pads integral with the lower part of the tank in its linings integral with the chassis and by mounting ballast elements on the tank, reinforcing the stability of the latter.
• ballasting elements from 10 to 25 kg depending on the load capacity, the speed of rotation of the drum, the quality of the washing machine, generally consist of cast iron or concrete parts fixed on the outside of the tank.
• the object of the invention is to conserve the advantages of European patent EP 326502 by creating new ones.
• the water ballasting has a variable value adapted to the conditions of use, in which the washing of the fabrics is carried out in much better economic conditions on energy and water.
• Industrial washing machines intended for communities have all these drawbacks amplified by masses that are all the more bulky and heavier.
• the invention contains an operating method and specific components for reliability and savings, the operations of which are synchronized by a programmer.
• the type of machine it concerns comprises a tank which, mounted inside a chassis with the interposition of damping elements, is fitted with ballasting elements with water circulation, as defined in the Patent EP 326,502, but this time characterized in that the ballast tank (s) include an integral filling electrical safety device, such as a pressure switch or a float switch, linked to the various filling operations with supplying water to the network, supplying all safety of the spinning operations, the full tanks acting as maximum ballasting, of a specific programming of these operations as well as the operation of specific solenoid valves to supply the tank by gravity from this or these tanks for the different needs for washing water, rinsing, emptying this tank with a specific pump which can also drain the ballast (s) when desired, rejecting the wastewater and store selected water, such as the last water of rinsing in its initial volume, that is to say in the ballast (s) left empty or partially empty for this purpose by programming, to reuse this last water on the next cycle, in washing with detergents added for this purpose, and
• the tank being fed by gravity with the aid of solenoid valves placed on the ballast tank (s) so as to drain calibrated and desired volumes of water for the different needs of the machine cycle.
• the invention also relates to the solenoid valves which are designed so as to be able to deal with the bulk on the suspended ballast-tank assembly especially at the time of spinning where the amplitude movements of the assembly are significant, this which limits the risk of shock or catching by the raised parts.
• the invention will be clearly understood with the aid of the description which follows, with reference to the appended perspective and schematic drawings, showing by way of nonlimiting examples, several embodiments of this washing machine.
• Figure 1 is a perspective view of the embodiment of EP 306.502
• Figure Ibis is an exploded perspective view of
• FIG. 2 is a diagram of the containers and pipes and the components necessary for the circulation of water of the present invention.
• Figure 2bis relates more particularly to the volumes and levels necessary for the present invention.
• FIG. 3 is the diagram of the programmer necessary for the principle of the invention
• Figure 4 is the block diagram of electrical operation of the invention.
• FIG. 5 represents a common machine which, for the recycling of water must in volume be equipped with an auxiliary tank 33.
• Figure 6 shows the same machine as Figure 5 with an aesthetic possibility to adapt the invention.
• Figure 7 is a common washing machine pump and its operating principle in its connections.
• Figure 8 is a common washing machine pump equipped to receive the ballast drain assembly necessary for the operation of the invention, as well as the addition of a two-pass system for discharging waste water and or recycling water used in the tank.
• FIG. 9 is a compact embodiment of the pump of FIG. 8.
• Figure 10 is a common type solenoid valve
• Figure 11 is a specific solenoid valve for gain in volume on the suspended assembly necessary for the invention.
• FIG. 12 is the embodiment of assembly of FIG. 11.
• FIG. 13 is another embodiment of a solenoid valve making it possible to collect water from other solenoid valves,
• Figure 14 is an embodiment of double solenoid valve allowing a single attachment and collecting at different heights of water or volumes using hose.
• FIG. 15 is the same embodiment as FIG. 14 from a different perspective with the connection levels of the hoses and their correspondences in levels or volumes,
• Figure 16 is an embodiment of the tank avoiding the problems of turbidity due to the recycling of water.
• the tank is compartmentalized.
• Figure 17 is the same embodiment as Figure 16 with the representation of volumes and corresponding levels.
• Figures 18 to 37 are schematic views of water circulation relating to the operation of the present invention with respect to the program diagram of Figure 3.
• FIGs 18 bis or ter up to 37 bis represent the electrical principle diagrams related to the functions or state of the corresponding numbered figure.
• the washing machine known from Patent EP 326.502 (Fig.l) is equipped with ballasting tanks 5, in that each tank feeds the tank 9 from its upper part, by pushing water from the network, directly or indirectly through a product box 7.
• the tank 9 and the reservoir 5 are partitioned by a cover 16 in exploded view (fig.Ibis).
• the present invention is characterized in that the ballast tank or tanks 5 are equipped with a safety device 18 (FIG. 2) controlling the supply of water to the tank 5 from the network tap 1, a flexible pipe 2, an electro-valve 3, and a pipe 4, connected to the tank 5, which by the safety device 18 ensures complete filling.
• a safety device 18 FIG. 2 controlling the supply of water to the tank 5 from the network tap 1, a flexible pipe 2, an electro-valve 3, and a pipe 4, connected to the tank 5, which by the safety device 18 ensures complete filling.
• these solenoid valves do not undergo any pressure constraint from the network and on the other hand, compared to (fig.10), which is a common double solenoid valve, the shape and orientation of all the pipe connections. 31 and lugs 47 allow installation in cavities as on the tank 5 (fig. 12) by way of example.
• the solenoid valve (fig. 11) is an embodiment producing a single pour point on the reservoir 5, the sealing of which is ensured by means of a seal 48 and its snap-fastening on the reservoir. ensures its maintenance by two elastic branches at the end (fig.12)
• Another embodiment (Fig.13) collects by the pipe 31, the water from the solenoid valve 25 (Fig. 11) and to channel for the tank 9 through the pipe 31 bis.
• a last form of execution without quantity limitation is the principle of collecting different volumes 24 and 32 at different heights 26 and 29 of the tank 5 with hoses or pipes gathered at the point of attachment of the solenoid valves such as (Fig. 15 (Fig.
• the tank 5 Given the supply to the tank 9 by gravity from the ballast 5 and in particular to the opening of the solenoid valve 28 which controls the flow of the rinsing volume of the ballast 5 to the tank 9 and more particularly to the last rinse 540 in step 531 (Fig. 3) the water after the rinsing bath in the tank 9 is drained but stored in its initial container, the tank 5 (volume 542 fig. 3) left empty for this purpose, which will have the most advantageous consequence of recycling clear water from the very last rinse for washing needs, rinsing of the following cycles of the machine, especially washing with added detergents.
• a protruding tube 46 receives the water from the ballast (s) 5 and from the tank 9 if it is desired to lighten the machine. Handling, moving, moving, etc.
• a key 107 (Fig. 4) is provided for this operation opening the electric valve 44 putting the reservoir (s) 5 into communication with the tank 9 with the pump 13, this with the ON key of the machine 201 (FIG. 4) with the door closed 101.
• the ballast tank 5 (Fig. 16) is compartmentalized.
• the water arrives via its connection point 50 on the ballast 5 compartment 51, a non-return valve 49 calibrated at a pressure lower than the network allows the network water to pass into the compartment 52, but the restocked water intended on recycling arriving by 21 in compartment 52, will not be able to reach compartment 51 which will always include water from the direct network.
• Figure 17 deals with the volumes of water in the tank 9, NL being the washing level and highlights the water remaining in the ballast 5 and the empty upper part of the ballast 5.
• the diagram (fig.
• the diagram in fig. 3 is divided into three main zones: 537 is the washing zone which makes up the start of the cycle, namely, the stirring of the laundry in generally heated water with the addition of detergents.
• the second zone 538 constitutes the first rinsing, 539 the second, 540 being the last rinsing with recovery of sufficiently clear water for reuse purposes for the following cycle.
• 541 is the volume contained in the upper part of the ballast 5 between its pour point which is the solenoid valve 25, and the ballast security 18.
• 542 is the volume contained in the upper part of the ballast 5 between its pour point which is the solenoid valve 28, and the ballast safety device 18.
• volume 542 fills or is full in 501
• 25 is the solenoid valve for supplying water by gravity from the ballast or tank 5 to the tank 9, discharging the volume 541 from the ballast 5 to form the volume 546 at level 23 of the tank 9.
• the solenoid valve 28 is the solenoid valve for supplying water to the tank 9 by gravity from the ballast or tank 5 to the tank 9, discharging the volume 542 of the ballast 5 to form the volume 547 in the tank 9 at level 27.
• the emptying pump of the tank 9 which in operation at the same time as 42, electromagnetic coil of the two-pass 41 allows the storage of the last rinse water (clear) in return by the pipe 21, in its volume initial in ballast 5, conditioned for this purpose.
• the arrowed column 543 mentions the power supply contacts actuated by the cam block of the programmer in order to power the electrical organs of the opposite arrowed column 545, via the contacts of the arrowed column 544 at the times of the blacked boxes of the diagram .
• the electrical principle diagram (Fig. 4) has 2 elements which do not appear in the (Fig. 3). Ballast security 18 which conditions the water supply to the network 3
• the water comes from the tap of the distribution network 1 (Fig. 18), connected by a flexible hose 2 to the electro-valve 3 in operation (Fig. 18 bis) which supplies the reservoir 5 by a hose 4 to 'to the full filling thanks to the safety device 18 which cuts the power supply to the solenoid valve 3 once the tanks are full (Fig. 19 and 19a).
• the solenoid valve 3 stops, the water contained in the ballast 5 feeds the tank 9 (Fig. 20) at the opening of the solenoid valve 25 and by gravity with the collector 31 (Fig. 20 bis, step 502 in Fig. 3).
• This water in the tank actuates by its pressure the pressure switch 242 to establish the heating 22 (Fig. 21 bis) at the steps indicated on the diagram (Fig. 3) and (Fig. 22).
• the additional ballast water 5 will not be carried out by the electro-valve 3 to avoid an unnecessary expenditure of energy, the remaining water contained in the tank 5 will have captured the heat of the washing bath by radiation and by contact with the party wall ballast 5 and tank 9 (Fig. 23). (previously the cast iron or concrete weights received this heat which could not be restored).
• This allows, with compensation, the water level of the ballast 5 with the solenoid valve 3 of the network (Fig. 24) to obtain temperate water at step 517 (Fig. 3) so as to cool by the party wall ballast 5 and tank 9 waste water from washing in the tank, gradually, before rejection (Fig. 25 and 25 bis) in step 519.
• step 520 wringing takes place in complete safety with the ballast 5 full (Fig. 26).
• the opening of the solenoid valve 28 at step 521 releases the water contained above it (Fig. 27).
• This lukewarm water makes it possible to establish the first rinsing bath in the tank 9 level 27, volume 547 its origin being 542 (Fig. 28) and avoids the thermal shock which, in many cases deteriorates the textiles.
• the emptying in steps 524 and 525 is carried out in the same way as at the end of washing in steps 519 and 520 of the diagram (Fig. 3), as well as during this emptying of the tank 9 by the wastewater pump 13 ,
• the solenoid valve 3 compensates for the ballast level 5 (Fig. 29) during step 519 to prepare the ballast 5 and maintain it during the spin at step 520 which only takes place through the low point of the pressure switch 242 (tank 9 empty) and the high safety point 18 full ballast (fig. 30).
• step 526 to 530 Flushing 539, step 526 to 530 is carried out in the same way as 538 from step 521 to 525.
• the ballast water 5 feeds the tank 9 (Fig. 31) with the volume of water 542 to form the level 27 volume 547.
• the electromagnetic coil 42 is supplied to provide for the passage of the last clearest rinse water (Fig. 32) through the conduit 21 in preparation for the storage of this water, in its initial volume 542 left empty for this purpose.
• the pump 13 operating with 42 makes it possible to discharge this water through 21 into the ballast 5 (Fig. 33).
• the invention brings a great improvement to the existing technique, by providing a washing machine of simple design whose integrated ballast elements are managed by a programmer for their variable water capacity, for purposes energy and water saving.
• the ballast tanks can be drained by manual electric control, machine stopped, programmer at zero 500 (Fig. 3,37,37 bis) before any manipulation of the machine.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Detail Structures Of Washing Machines And Dryers (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=9448696

Family Applications (1)

Country Status (5)

Cited By (1)

Families Citing this family (12)

Family Cites Families (5)

• 1993
  • 1993-06-24 FR FR9307934A patent/FR2706915B1/fr not_active Expired - Fee Related
• 1994
  • 1994-06-22 WO PCT/FR1994/000756 patent/WO1995000694A1/fr not_active Ceased
  • 1994-06-22 DE DE69409383T patent/DE69409383D1/de not_active Expired - Lifetime
  • 1994-06-22 EP EP94920503A patent/EP0707670B1/de not_active Expired - Lifetime
  • 1994-06-22 AU AU71273/94A patent/AU7127394A/en not_active Abandoned

Non-Patent Citations (1)

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